2009 Mercedes R-Class Owner's Manual - Page 317

Practical hints Vehicle status messages in the multifunction display Display messages Possible cause/consequence Possible solution soon as possible at an authorized Mercedes-Benz Center. G Warning! If the 59 indicator lamp remains illuminated with an adult occupant on the front passenger seat even after performing the above corrective steps, do not have any passenger use the front passenger seat until the system has been repaired. Driving systems Display messages Cruise Control Cruise Control Inoperative - - - MPH (USA only) - - - Km/h (Canada only) Possible cause/consequence The cruise control is malfunctioning. One of the activation conditions for cruise control has not been fulfilled. For example, you have attempted to set a speed below 20 mph (30 km/h). Possible solution X Have cruise control checked at an authorized Mercedes-Benz Center. Drive faster than 20 mph (30 km/h), if the situation allows, and set the speed. Check the activation conditions for cruise control (Y page 164). X X Z 315